421903778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1\times {\mathrm{5521}}^1$

素因数の和:7553

約数の個数: 16

約数和(自身を含む): 666615840

約数和(自身を除く): 244712062

約数列:

[1, 2, 19, 38, 2011, 4022, 5521, 11042, 38209, 76418, 104899, 209798, 11102731, 22205462, 210951889, 421903778]

約数ペア:

[(1, 421903778), (2, 210951889), (19, 22205462), (38, 11102731), (2011, 209798), (4022, 104899), (5521, 76418), (11042, 38209)]